For each of the given situations, write out the null and alternative hypotheses, being sure to state whether it is one-sided or two-sided. Complete parts a through c. a) A company reports that last year 48% of its reports in accounting were on time. From a random sample this year, they want to know if that proportion has decreased. Complete the null and alternative hypotheses and determine whether the alternative hypothesis is one-sided or two-sided. Ho 0.48 vs. HA: 0.48 The alternative hypothesis is b) Last year, 47% of the employees enrolled in at least one wellness class at the company's site. Using a survey, they want to know if a different percentage is planning to take a wellness class this year. Complete the null and alternative hypotheses and determine whether the alternative hypothesis is one-sided or two-sided. 0.47 vs. HA: 0.47 The alternative hypothesis isc) A political candidate wants to know from recent polls if she's going to garner at least a majority of votes in next week's election. Complete the null and alternative hypotheses and determine whether the alternative hypothesis is one-sided or two-sided. Ho 0.5 vs. HA: 0.5 The alternative hypothesis is